The Korean Journal of Pesticide Science (농약과학회지)

The Korean Society of Pesticide Science (한국농약과학회)
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Effect of Culture Conditions on the Chemical Control Efficacy of Root Rot Disease of Platycodon grandiflorum and Codonopsis lanceolata

도라지와 더덕 뿌리썩음병의 방제 효과에 미치는 재배환경의 영향

  • Kim, Da-Ran (Division of Applied Life Science, Gyeongsang National University) ;
  • Gang, Geun-Hye (Department of Plant medicine and Institute of Agriculture & Life Science, Gyeongsang National University) ;
  • Jung, Hee Jun (Department of Plant medicine and Institute of Agriculture & Life Science, Gyeongsang National University) ;
  • Hong, Sung Won (Division of Applied Life Science, Gyeongsang National University) ;
  • Kwak, Youn-Sig (Department of Plant medicine and Institute of Agriculture & Life Science, Gyeongsang National University)
  • 김다란 (경상대학교 응용생명과학부) ;
  • 강근혜 (경상대학교 농업생명과학연구원) ;
  • 정희준 (경상대학교 농업생명과학연구원) ;
  • 홍성원 (경상대학교 응용생명과학부) ;
  • 곽연식 (경상대학교 농업생명과학연구원)
  • Received : 2016.06.13
  • Accepted : 2016.06.30
  • Published : 2016.06.30
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Abstract

Platycodon grandiflorum and Codonopsis lanceolata have been considered as cash vegetables and alternative medicine plants in Korea. In a previous survey from 1998 to 2010, repeated cultivation of the plant increased root rot disease incidence and severity. The disease has been recognized as critically limiting factor for crop production. However, control method has not been established for the disease of P. grandiflorum and C. lanceolata. In this study, control efficacy of Tebuconazole EC, Trifloxystroim SC and grapefriut extract was evaluated on the root rot disease of these plants in two different field conditions. Three of different fungicide were non critical effect to the disease severity and the control value, but grapefriut seed extract (GSE) was more ability to control the disease in C. lanceolata. In most things, soil drainage was the most important to decrease the disease severity and to improve the control value.

도라지와 더덕은 고소득 작물로서 주목받고 있다. 최근 소득을 위해 작물을 연작하는 경우 연작피해로서 뿌리썩음병의 발병이 급속도로 증가하고 있다. 뿌리썩음병은 근채류 식물의 뿌리를 가해하여 큰 경제적 타격을 입히므로 방제가 시급하나 명확한 방제법이 개발되어 있지 않다. 이에 본 연구는 화학약제 tebuconazole EC, trifloxystroim SC, 유기농자재인 자몽 종자 추출물을(GSE) 이용하여 뿌리썩음병 방제 실험을 진행한 결과 더덕에서 친환경제제가 좋은 효과를 보였으나 도라지와 더덕에서 약제의 특성에 따라 큰 차이를 보이지 않았다. 단 재배조건이 배수가 용이한 경우 발병도의 감소와 병방제의 효과가 증진됨을 확인 하였다. 이에 근채류의 뿌리썩음병의 예방 및 방제의 근복적인 대책으로 재배지의 배수가 중요한 원인으로 보여지는 바이다.

Keywords

References

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